Jellyfish swarms in the Gulf of Mexico help researchers identify environmental changes in the water. Dr. Monty Graham at the University of Southern Mississippi studies these massive jellyfish swarms that can stretch for up to 100 miles.

For the last two decades, Michael Heithaus has been studying how tiger sharks affect one particular ecosystem – Shark Bay, Australia, one of the world’s most pristine seagrass ecosystems. The Florida International University biologist explains how his team studies these top predators and their prey, and why tiger sharks are so important to the health of Shark Bay.

Coral reefs are dying. Harboring some of the most diverse species of marine life, corals are ecologically important. Paul Sikkel, a marine ecologist from Arkansas State University, explains why many coral reefs are dying and how we can save them.
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http://www.livescience.com/40687-gnathia-marleyi-controversy-nsf-ria.htm...

In light of the sheer physical enormity of the Great Pacific Garbage Patch and the complexity of its causes, what can we possibility do about it?
Perhaps help protect some vulnerable populations of wildlife from marine garbage in coastal regions, according to the Coastal Observation and Seabird Survey Team (COASST) — a citizen science group that monitors marine resources and ecosystem health at more than 350 beaches from northern California to Alaska. Although COASST, which receives...